refactor: assemble and reuse Instance dependencies

internal/openbao/credentials_test.go

@@ -0,0 +1,125 @@
+/*
+Copyright 2026.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package openbao
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"sync"
+	"sync/atomic"
+	"testing"
+	"time"
+
+	api "git.ddupan.top/panxiao81/postgresql-tenant-operator/api/v1alpha1"
+	bao "github.com/openbao/openbao/api/v2"
+)
+
+const testToken = "test-token"
+const testAdmin = "admin"
+
+func TestSharedIdentityReauthenticatesOnExpiryAndRevocation(t *testing.T) {
+	var logins atomic.Int32
+	var revoked atomic.Bool
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/v1/secret/data/admin" {
+			http.NotFound(w, r)
+			return
+		}
+		if revoked.Swap(false) {
+			w.WriteHeader(http.StatusForbidden)
+			return
+		}
+		if r.Header.Get("X-Vault-Token") != testToken {
+			w.WriteHeader(http.StatusForbidden)
+			return
+		}
+		_ = json.NewEncoder(w).Encode(map[string]any{
+			"data": map[string]any{
+				"data":     map[string]any{"username": testAdmin, "password": "test-password"},
+				"metadata": map[string]any{"version": 1},
+			},
+		})
+	}))
+	defer server.Close()
+	config := bao.NewConfig()
+	config.Address = server.URL
+	config.MaxRetries = 0
+	client, err := bao.NewClient(config)
+	if err != nil {
+		t.Fatal(err)
+	}
+	source := NewCredentials(client, "secret", "kubernetes", "controller")
+	source.authenticate = func(context.Context) (*bao.Secret, error) {
+		logins.Add(1)
+		return &bao.Secret{Auth: &bao.SecretAuth{ClientToken: testToken, LeaseDuration: 300}}, nil
+	}
+	reference := api.OpenBaoSecretReference{Path: testAdmin}
+	var wg sync.WaitGroup
+	for range 8 {
+		wg.Go(func() {
+			if _, err := source.Read(context.Background(), reference); err != nil {
+				t.Error(err)
+			}
+		})
+	}
+	wg.Wait()
+	if logins.Load() != 1 {
+		t.Fatal("concurrent reads repeatedly authenticated")
+	}
+	source.expires = time.Time{}
+	if _, err := source.Read(context.Background(), reference); err != nil {
+		t.Fatal(err)
+	}
+	if logins.Load() != 2 {
+		t.Fatal("expired identity was not refreshed")
+	}
+	revoked.Store(true)
+	if _, err := source.Read(context.Background(), reference); err != nil {
+		t.Fatal(err)
+	}
+	if logins.Load() != 3 {
+		t.Fatal("revoked identity was not refreshed")
+	}
+}
+
+func TestDeniedPolicyRetriesAuthenticationOnlyOnce(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
+		w.WriteHeader(http.StatusForbidden)
+	}))
+	defer server.Close()
+	config := bao.NewConfig()
+	config.Address = server.URL
+	config.MaxRetries = 0
+	client, err := bao.NewClient(config)
+	if err != nil {
+		t.Fatal(err)
+	}
+	source := NewCredentials(client, "secret", "kubernetes", "controller")
+	logins := 0
+	source.authenticate = func(context.Context) (*bao.Secret, error) {
+		logins++
+		return &bao.Secret{Auth: &bao.SecretAuth{ClientToken: testToken, LeaseDuration: 300}}, nil
+	}
+	if _, err := source.Read(context.Background(), api.OpenBaoSecretReference{Path: testAdmin}); err == nil {
+		t.Fatal("denied policy was accepted")
+	}
+	if logins != 2 {
+		t.Fatal("authentication did not stop after one retry")
+	}
+}